There are 15 words that start with 'tetani'.
| tetanic | tetanics |
| tetanies | tetanise |
| tetanize | tetanical |
| tetanised | tetanises |
| tetanized | tetanizes |
| tetanising | tetanizing |
| tetanically | tetanization |
| tetanizations | |
Note: These 15 words that start with 'tetani' are found from the USA & Canada version of the tournament Scrabble word list.